X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 09 May 2010 16:56:00 -0400 Message-ID: X-Original-Return-Path: Received: from snt0-omc3-s2.snt0.hotmail.com ([65.55.90.141] verified) by logan.com (CommuniGate Pro SMTP 5.3.6) with ESMTP id 4252230 for lml@lancaironline.net; Sat, 08 May 2010 09:31:57 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.55.90.141; envelope-from=gary21sn@hotmail.com Received: from SNT112-DS19 ([65.55.90.135]) by snt0-omc3-s2.snt0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Sat, 8 May 2010 06:31:21 -0700 X-Originating-IP: [24.216.229.86] X-Originating-Email: [gary21sn@hotmail.com] X-Original-Message-ID: X-Original-Return-Path: gary21sn@hotmail.com From: "Gary Edwards" X-Original-To: "Lancair Mailing List" In-Reply-To: References: Subject: Re: Desser Tires Air Pressure X-Original-Date: Sat, 8 May 2010 06:31:11 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_34C8_01CAEE78.0D6A31B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V10.00.0070.1500 Seal-Send-Time: Sat, 8 May 2010 06:31:11 -0700 X-OriginalArrivalTime: 08 May 2010 13:31:21.0147 (UTC) FILETIME=[BF1DC8B0:01CAEEB2] This is a multi-part message in MIME format. ------=_NextPart_000_34C8_01CAEE78.0D6A31B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Chen Shings used here. 300 hours; no flats. Empty weight: 1,013# (US). = Tire pressure: 30# Nose, 40# mains. Gary Edwards KMFR LNC2 ----- Original Message -----=20 From: Lorn H Olsen=20 To: lml@lancaironline.net=20 Sent: Friday, May 07, 2010 5:47 PM Subject: [LML] Desser Tires Air Pressure I just landed at St Simons Island (KSSI) and had a flat. This landing = and the prior landing were smooth although this one was a little fast. = They have just cut grooves in the KSSI runway giving great traction but = also spinning the tires instantly up to 90. The right tire still had 44 lbs psi of nitrogen. I assume that the = left (before the flat) had the same pressure. Neither of the tires = looked low prior to the flight. The flat was the same type that I have had in the past. The inside of = the tube right in the middle there is a very small leak. I am bringing = the tire home and will have it examined under a microscope to see if we = can see what caused the problem. I got the tires and tubes directly from Desser. They are about 1 year = and have about 120 landings. Remember that my calculation show that my empty weight has = approximately 400 lbs on the mains and nose. When at 1,900 lbs gross, = there is about 320 lbs on the nose and 790 lbs on the mains. The Desser = tires are rated for 500 lbs at 70 psi. I am thinking that the tube is slipping/rubbing against the tire at = pressures below 40 psi causing the small holes in the side of the = inner-tube. I use talc on the tube. This time I also used talc on the = tire to seat it on the tube. The tire seated very easily but I am not = sure whether this will cause slipping in the future. Can anyone help me with a recommendation as to the tire pressures that = they are keeping in both the mains and the Nose. -- Lorn H. 'Feathers' Olsen, MAA, ASMEL, ASES, Comm, Inst DynaComm, Corp., 248-345-0500, = mailto:lorn@dynacomm.us LNC2, FB90/92, O-320-D1F, 1,700 hrs, N31161, Y47, SE Michigan -- For archives and unsub = http://mail.lancaironline.net:81/lists/lml/List.html ------=_NextPart_000_34C8_01CAEE78.0D6A31B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Chen Shings used here.  300 hours; no flats.  Empty = weight:=20 1,013# (US).  Tire pressure: 30# Nose, 40# mains.
 
Gary Edwards
KMFR
LNC2
----- Original Message -----
Sent: Friday, May 07, 2010 5:47 = PM
Subject: [LML] Desser Tires Air = Pressure

I just landed at St Simons Island (KSSI) and had a = flat. This=20 landing and the prior landing were smooth although this one was a = little fast.=20 They have just cut grooves in the KSSI runway giving great traction = but also=20 spinning the tires instantly up to 90.

The right tire still had = 44 lbs=20 psi of nitrogen. I assume that the left (before the flat) had the same = pressure. Neither of the tires looked low prior to the = flight.

The flat=20 was the same type that I have had in the past. The inside of the tube = right in=20 the middle there is a very small leak. I am bringing the tire home and = will=20 have it examined under a microscope to see if we can see what caused = the=20 problem.

I got the tires and tubes directly from Desser. They = are about=20 1 year and have about 120 landings.

Remember that my = calculation show=20 that my empty weight has approximately 400 lbs on the mains and nose. = When at=20 1,900 lbs gross, there is about 320 lbs on the nose and 790 lbs on the = mains.=20 The Desser tires are rated for 500 lbs at 70 psi.

I am thinking = that=20 the tube is slipping/rubbing against the tire at pressures below 40 = psi=20 causing the small holes in the side of the inner-tube. I use talc on = the tube.=20 This time I also used talc on the tire to seat it on the tube. The = tire seated=20 very easily but I am not sure whether this will cause slipping in the=20 future.

Can anyone help me with a recommendation as to the tire = pressures that they are keeping in both the mains and the=20 Nose.

--
Lorn H. 'Feathers' Olsen, MAA, ASMEL, ASES, Comm,=20 Inst
DynaComm, Corp., 248-345-0500, mailto:lorn@dynacomm.us
LNC2, = FB90/92,=20 O-320-D1F, 1,700 hrs, N31161, Y47, SE Michigan


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